Effect of trisubstituted imidazolium based ionic liquid 1-BUTYL-2,3-DIMETHYLIMIDAZOLIUM CHLORIDE (cas 98892-75-2) on the aggregation behaviour of sodium dodecylsulphate in aqueous media

Add time:07/15/2019    Source:sciencedirect.com

Effect of 1-BUTYL-2,3-DIMETHYLIMIDAZOLIUM CHLORIDE (cas 98892-75-2) [bdmim][Cl], a trisubstituted ionic liquid on the critical micelle concentration (cmc) of sodium dodecylsulphate (SDS) in aqueous medium have been studied using conductometry from 298.15 to 318.15 K and pyrene fluorescence probe analysis at 298.15 K. Temperature and ionic liquid concentration dependent variation in cmc been discussed pertaining to the changes in degree of dissociation (α) and thermodynamic parameters viz. standard free energy (ΔGm°) and entropy (ΔSm°) of micellization. NMR studies of post-micellar solutions have been carried out to understand the various intermolecular interactions present in these systems.

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